New Trojan Magnum Ribbed Condoms. Trojan Magnum Ribbed Condoms are designed to provide heightened stimulation for both partners. Spiral ribbing towards the tip to increase stimulation for the most sensitive area. Spiral ribbing towards the open end to increase stimulation for her most sensitive area. This larger than standard latex condoms for extra comfort with silky-smooth lubricant for comfort and sensitivity. Made from premium quality latex to help reduce the risk. Each condom is electronically tested to help ensure reliability. Box of 3.